The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole ?
The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole ?
(a) Presence of prominent tropo-spheric turbulence; and inflow of chlorofluorocarbons.
(b) Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons.
(c) Absence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons.
(d) Increased temperature at polar region due to global warming.
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(b) The nitric acid in polar stratospheric clouds reacts with CFCs to form chlorine, which catalyzes the photochemical destruction of ozone.
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